CN105135754A - Plate heat exchanger and refrigeration system - Google Patents
Plate heat exchanger and refrigeration system Download PDFInfo
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- CN105135754A CN105135754A CN201510629375.9A CN201510629375A CN105135754A CN 105135754 A CN105135754 A CN 105135754A CN 201510629375 A CN201510629375 A CN 201510629375A CN 105135754 A CN105135754 A CN 105135754A
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Abstract
The invention relates to a plate heat exchanger and a refrigeration system. The plate heat exchanger comprises a plurality of plates laminated in the left-right direction, wherein a first flow channel allowing refrigerants to pass and a second flow channel allowing water to pass are formed between every two adjacent plates. The plate heat exchanger further comprises an upper channel and a lower channel which are arranged in the left-right direction, the upper channel is located at the upper part of the plate heat exchanger, the lower channel is located at the lower part of the plate heat exchanger, and the upper channel and the lower channel are communicated with the first flow channels and isolated from the second flow channels. The plate heat exchanger further comprises a partition board arranged in the plate heat exchanger, and the upper channel is divided into a first channel on the left side and a second channel on the right side by the partition board, so that the refrigerants in the first channel cannot directly flow to the second channel, and vice versa; an opening for the second channel to pass is formed in the lower end of the partition board.
Description
Technical field
The present invention relates to a kind of plate type heat exchanger and refrigeration system.
Background technology
Plate type heat exchanger is widely used in field of heat exchange, may be used for the heat exchange between liquid and liquid, also may be used for single-phase other side, side is the heat exchange of two-phase, and when using in air-conditioner host, one of plate type heat exchanger sidles cold-producing medium other and sidles refrigerating medium.When using as condenser, cold-producing medium is condensation in plate type heat exchanger, transfers heat to the heat-carrying agent of water and so on.When using as evaporimeter, cold-producing medium evaporates in plate type heat exchanger, from the refrigerating medium of water and so on, absorb heat., compact conformation little relative to dry evaporator volume, bearing capacity is high, and the coefficient of heat transfer is high, and in identical heat transfer effect situation, cost is about 2/3 of dry evaporator.
In the prior art, a feature of plate type heat exchanger, the flow process of water side is single process substantially; Cold-producing medium is also single process, so there is no mixed flow form, only have following current heat exchange or countercurrent flow, for single cold or single hot systems, can countercurrent flow be adopted, but for heat pump, the flow direction in water route is fixing, the flowing of refrigeration is contrary, and operating mode is following current, another operating mode is adverse current, and when following current, heat exchange property is poor.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of plate type heat exchanger and refrigeration system.
For solving above technical problem, the present invention takes following technical scheme:
A kind of plate type heat exchanger, described plate type heat exchanger uses as evaporative condenser, described plate type heat exchanger is used for cold-producing medium and current to carry out heat exchange, described plate type heat exchanger comprises multiple plates of stacked setting in left-right direction, formed between two adjacent plates and flow through the second runner for cold-producing medium by first flow and water supply, described first flow and the second runner spaced, described plate type heat exchanger also comprises the upper channel being positioned at plate type heat exchanger top arranged in left-right direction, be positioned at the lower wing passage of plate type heat exchanger bottom, described upper channel and lower wing passage are connected with described first flow and isolated with the second described runner, the two ends of described upper channel have to be imported and exported for first of cold-producing medium turnover, second imports and exports, one end of described lower wing passage has the 3rd import and export for cold-producing medium turnover, the other end and external environment condition isolated, described plate type heat exchanger also comprises the demarcation strip be arranged in described plate type heat exchanger, described upper channel is the first passage being positioned at left side by described divides, be positioned at the second channel on right side, cannot directly circulate to make the cold-producing medium in described first passage and second channel, the lower end of described demarcation strip offers the opening passed through for described second channel.
Preferably, described plate type heat exchanger also comprises the water inlet flow to for current, the delivery port flowed out for current, described water inlet is arranged on the top of described plate type heat exchanger, described delivery port is arranged on the bottom of plate type heat exchanger, and described water inlet, described delivery port are connected with the second described runner.
Preferably, the first described import and export, the 3rd import and export, water inlet, delivery port are positioned at the left side of described plate type heat exchanger, described second imports and exports the right side for described plate type heat exchanger, and described plate type heat exchanger is be positioned at the firstth district on the left of demarcation strip, be positioned at the secondth district on the right side of demarcation strip by described divides.
Preferably, the heat exchange area in the firstth described district is 8 ~ 20 times of second district's heat exchange area.
Preferably, described demarcation strip parallels setting with described plate.
The present invention also provides a kind of refrigeration system, and described refrigeration system comprises the compressor be arranged on refrigeration pipe, First Heat Exchanger, expansion gear, the second heat exchanger, the plate type heat exchanger that described First Heat Exchanger is above-mentioned.
Preferably, first of described First Heat Exchanger is imported and exported with described compressor to being communicated with,
First import and export and second of described First Heat Exchanger are imported and exported and are communicated with by one first check valve, and described in the first described check valve points to first imports and exports;
Second of described First Heat Exchanger is imported and exported and is communicated with by one second check valve with described expansion gear, the expansion gear described in the second described check valve points to;
The 3rd of described First Heat Exchanger is imported and exported and is communicated with by one the 3rd check valve with described expansion gear, and the described in the 3rd described check valve points to the 3rd imports and exports,
When described First Heat Exchanger uses as condenser, cold-producing medium enters first passage from first of described First Heat Exchanger, flow through the first flow in the firstth district, by lower wing passage after condensation, cold-producing medium flows through the first flow in the secondth district by lower wing passage, outflow is imported and exported from described second through second channel, expansion gear described in flowing to through the second check valve, current flow out from delivery port after water inlet enters the second runner, in the secondth district of described plate type heat exchanger, cold-producing medium and current countercurrent flow;
When described First Heat Exchanger uses as evaporimeter, cold-producing medium enters lower wing passage from the 3rd of First Heat Exchanger, and up evaporation flows through the first flow in the firstth district and the secondth district, imports and exports and the second import and export outflow from first of First Heat Exchanger.
Preferably, described refrigeration system also comprises a four-way change-over valve, described four-way change-over valve comprises D port, C port, S port, E port, described compressor comprises gas outlet, air entry, described D port is connected with the gas outlet of described compressor, described S port is connected with the air entry of described compressor
Described four-way change-over valve has two states in adjustment process, is respectively: D port and the conducting of C port and S port and the conducting of E port, D port and the conducting of E port and S port and the conducting of C port,
D port and the conducting of C port and S port and the conducting of E port time, described cold-producing medium flows out from the gas outlet of compressor and flows through successively: the D port of four-way change-over valve, C port, First Heat Exchanger, expansion gear, the second heat exchanger, four-way change-over valve E port, S port, air entry finally by compressor gets back to compressor
D port and the conducting of E port and S port and the conducting of C port time, described cold-producing medium flows out from the gas outlet of compressor and flows through successively: the D port of four-way change-over valve, E port, the second heat exchanger, expansion gear, First Heat Exchanger, the C port of four-way change-over valve, S port, the air entry finally by compressor gets back to compressor.
Preferably, the second described heat exchanger is also the plate type heat exchanger described in any one of claim 1-4, and first of the second described heat exchanger is imported and exported and is connected with described compressor,
First import and export and second of the second described heat exchanger are imported and exported and are communicated with by one the 4th check valve, and described in the 4th described check valve points to first imports and exports;
Second of the second described heat exchanger is imported and exported and is communicated with by one the 5th check valve with described expansion gear, the expansion gear described in the 5th described check valve points to;
The 3rd of the second described heat exchanger is imported and exported and is communicated with by one the 6th check valve with described expansion gear, and the described in the 6th described check valve points to the 3rd imports and exports,
When the second described heat exchanger uses as condenser, cold-producing medium enters first passage from first of the second heat exchanger, flow through the first flow in the firstth district, by lower wing passage after condensation, cold-producing medium flows through the first flow in the secondth district by lower wing passage, outflow is imported and exported from described second through second channel, expansion gear described in flowing to through the 5th check valve, current flow out from delivery port after water inlet enters the second runner, in the secondth district of described plate type heat exchanger, cold-producing medium and current countercurrent flow;
When the second described heat exchanger uses as evaporimeter, cold-producing medium enters lower wing passage from the 3rd of the second heat exchanger, and up evaporation flows through the first flow in the firstth district and the secondth district, imports and exports and the second import and export outflow from first of the second heat exchanger.
Due to the employing of above technical scheme, the present invention compared with prior art tool has the following advantages:
Plate type heat exchanger of the present invention is when using as condenser, cold-producing medium in the secondth district and current form countercurrent flow, improve the heat transfer effect of cold-producing medium and current, plate type heat exchanger compared to existing technology, condensation effect improves, to enable refrigeration system improve refrigerating capacity about 3%, improve efficiency about 2%.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of a kind of plate type heat exchanger of the present invention;
Fig. 2 is that schematic diagram is looked on a left side for plate type heat exchanger of the present invention;
Fig. 3 is the structural representation of a kind of refrigeration system of the present invention;
Fig. 4 is the structural representation of another kind of refrigeration system of the present invention,
1, First Heat Exchanger; 1 ', second heat exchanger; 11, first passage; 12, second channel; 13, lower wing passage; 14, demarcation strip; 15, first import and export; 16, second import and export; 17, the 3rd import and export; 18, water inlet; 19, delivery port; 101, the firstth district; 102, the secondth district; 2, compressor; 21, gas outlet; 22, air entry; 3, four-way change-over valve; 31, D port; 32, C port; 33, S port; 34, E port; 4, expansion gear; 51, the first check valve; 52, the second check valve; 53, the 3rd check valve; 54, the 4th check valve; 55, the 5th check valve; 56, the 6th check valve.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further details.Should be understood that these embodiments are for illustration of general principle of the present invention, principal character and advantage, and the present invention does not limit by the scope of following examples.The implementation condition adopted in embodiment can do further adjustment according to specific requirement, and not marked implementation condition is generally the condition in normal experiment.
As Fig. 1 ~ 2 are depicted as a kind of plate type heat exchanger as described in invention, described plate type heat exchanger uses as evaporative condenser, described plate type heat exchanger is used for cold-producing medium and current to carry out heat exchange, described plate type heat exchanger comprises multiple plates of stacked setting in left-right direction, formed between two adjacent plates and flow through the second runner for cold-producing medium by first flow and water supply, described first flow and the second runner spaced, described plate type heat exchanger also comprises the upper channel being positioned at plate type heat exchanger top arranged in left-right direction, be positioned at the lower wing passage 13 of plate type heat exchanger bottom, described upper channel and lower wing passage 13 are connected with described first flow and isolated with the second described runner.The two ends of described upper channel have imports and exports the 15, second import and export 16 for first of cold-producing medium turnover, one end of described lower wing passage 13 has imports and exports 17 for the 3rd of cold-producing medium turnover, the other end is closed mutually with external environment condition, described plate type heat exchanger also comprises the water inlet 18 flow to for current, the delivery port 19 flowed out for current, described water inlet 18 is arranged on the top of described plate type heat exchanger, described delivery port 19 is arranged on the bottom of plate type heat exchanger, and described water inlet 18, delivery port 19 are connected with the second described runner.Described plate type heat exchanger also comprises the demarcation strip 14 be arranged in described plate type heat exchanger, described demarcation strip 14 parallels setting with described plate, described upper channel is divided into the first passage 11 being positioned at left side, the second channel 12 being positioned at right side by described demarcation strip 14, to make the cold-producing medium in described first passage 11 and second channel 12 directly circulate, the lower end of described demarcation strip 14 offers the opening passed through for described second channel 12.Described first imports and exports the left side that the 15, the 3rd imports and exports 17, water inlet 18, delivery port 19 are positioned at described plate type heat exchanger, described second imports and exports the right side that 16 are described plate type heat exchanger, and described plate type heat exchanger is divided into by described demarcation strip 14 and is positioned at the first district 101 on the left of demarcation strip 14, is positioned at the second district 102 on the right side of demarcation strip 14.The heat exchange area in the first described district 101 is 8 ~ 20 times of the second district 102 heat exchange area, and preferably, the heat exchange area in the first described district 101 is 15 times of the second district 102 heat exchange area.
When plate type heat exchanger of the present invention is used as condenser, the cold-producing medium of gaseous state is imported and exported 15 from first and is entered first passage 11, flows through the first district 101, enters downside passage 13 after condensation, enter second channel 12 after flowing through the second district 102 by lower wing passage 13, import and export 16 from second and flow out.Current enter from water inlet 18 and flow out from delivery port 19, and current flow to interior direction from top to bottom second, and in the second district 102, the direction of cold-producing medium is from bottom to up, and therefore cold-producing medium and current are countercurrent flow in the second district 102.Within air-conditioning systems, the direction of current is constant, and the flow direction of cold-producing medium in heat exchanger is contrary in as condenser and evaporimeter, therefore, in the prior art, when heat exchanger uses as condenser, flowing to of cold-producing medium and water is identical, is following current heat exchange.And in the present invention, owing to adding demarcation strip 14, in the second district 102, cold-producing medium and current generation countercurrent flow, and, cold-producing medium carried out cold in the second district 102, improve the heat transfer effect of cold-producing medium and current, plate type heat exchanger compared to existing technology, condensation effect improves, to enable refrigeration system improve refrigerating capacity about 3%, improve efficiency about 2%.
Fig. 3 is a kind of embodiment of a kind of cold-producing medium of the present invention, described refrigeration system comprises the compressor 2 be arranged on refrigeration pipe, First Heat Exchanger 1, expansion gear 4, second heat exchanger 1 ', and described First Heat Exchanger 1 is plate type heat exchanger of the present invention.First of described First Heat Exchanger 1 imports and exports 15 with described compressor 2 to being communicated with, first import and export 15 and second of described First Heat Exchanger 1 are imported and exported 16 and are communicated with by one first check valve 51, and the first described check valve 51 points to the first described import and export 15, second of described First Heat Exchanger 1 is imported and exported 16 and is communicated with by one second check valve 52 with described expansion gear 4, and the second described check valve 52 points to described expansion gear 4, the 3rd of described First Heat Exchanger 1 is imported and exported 17 and is communicated with by one the 3rd check valve 53 with described expansion gear 4, the 3rd described check valve 53 points to the 3rd described import and export 17, when described First Heat Exchanger 1 uses as condenser, cold-producing medium is imported and exported 15 from first of described First Heat Exchanger 1 and is entered first passage 11, flow through the first flow in the first district 101, by lower wing passage 13 after condensation, cold-producing medium flows through the first flow in the second district 102 by lower wing passage 13, import and export 16 through second channel 12 from described second to flow out, described expansion gear 4 is flowed to through the second check valve 52, current flow out from delivery port 19 after water inlet 18 enters the second runner, in the second district 102 of described plate type heat exchanger, cold-producing medium and current countercurrent flow, when described First Heat Exchanger 1 uses as evaporimeter, cold-producing medium is imported and exported 17 from the 3rd of First Heat Exchanger 1 and is entered lower wing passage 13, up evaporation, flows through the first flow in the first district 101 and the second district 102, imports and exports 15 and second import and export 16 outflows from first of First Heat Exchanger 1.
Described refrigeration system also comprises a four-way change-over valve 3, described four-way change-over valve 3 comprises D port 31, C port 32, S port 33, E port 34, described compressor 2 comprises gas outlet 21, air entry 22, described D port 31 is connected with the gas outlet 21 of described compressor 2, and described S port 33 is connected with the air entry 22 of described compressor 2.Described four-way change-over valve 3 has two states in adjustment process, is respectively: D port 31 is with C port 32 conducting and S port 33 and E port 34 conducting, and D port 31 is with E port 34 conducting and S port 33 and C port 32 conducting.D port 31 with C port 32 conducting and S port 33 and 34 conducting of E port time, described cold-producing medium flows out from the gas outlet 21 of compressor 2 and flows through successively: the D port 31 of four-way change-over valve 3, C port 32, First Heat Exchanger 1, expansion gear 4, second heat exchanger 1 ', four-way change-over valve 3E port 34, S port 33, the air entry 22 finally by compressor 2 gets back to compressor 2.D port 31 with E port 34 conducting and S port 33 and 32 conducting of C port time, described cold-producing medium flows out from the gas outlet 21 of compressor 2 and flows through successively: the D port 31 of four-way change-over valve 3, E port 34, second heat exchanger 1 ', expansion gear 4, First Heat Exchanger 1, the C port 32 of four-way change-over valve 3, S port 33, the air entry 22 finally by compressor 2 gets back to compressor 2.
Fig. 4 is the another kind of embodiment of refrigeration system of the present invention, compare and the first embodiment, described First Heat Exchanger 1 and the second heat exchanger 1 ' are plate type heat exchanger of the present invention, first of the second described heat exchanger 1 ' is imported and exported 15 and is connected with described compressor 2, first import and export 15 and second of the second described heat exchanger 1 ' are imported and exported 16 and are communicated with by one the 4th check valve 54, and the 4th described check valve 54 points to the first described import and export 15, second of the second described heat exchanger 1 ' is imported and exported 16 and is communicated with by one the 5th check valve 55 with described expansion gear 4, and the 5th described check valve 55 points to described expansion gear 4, the 3rd of the second described heat exchanger 1 ' is imported and exported 17 and is communicated with by one the 6th check valve 56 with described expansion gear 4, the 6th described check valve 56 points to the 3rd described import and export 17, when the second described heat exchanger 1 ' uses as condenser, cold-producing medium is imported and exported 15 from first of the second heat exchanger 1 ' and is entered first passage 11, flow through the first flow in the first district 101, by lower wing passage 13 after condensation, cold-producing medium flows through the first flow in the second district 102 by lower wing passage 13, import and export 16 through second channel 12 from described second to flow out, described expansion gear 4 is flowed to through the 5th check valve 55, current flow out from delivery port 19 after water inlet 18 enters the second runner, in the second district 102 of described plate type heat exchanger, cold-producing medium and current countercurrent flow, when the second described heat exchanger 1 ' uses as evaporimeter, cold-producing medium is imported and exported 17 from the 3rd of the second heat exchanger 1 ' and is entered lower wing passage 13, up evaporation, flow through the first flow in the first district 101 and the second district 102, import and export 15 and second from first of the second heat exchanger 1 ' and import and export 16 outflows.
Of the present inventionly to be as the criterion with the plate type heat exchanger shown in Fig. 1 up and down, described upper channel position is upside, the position of described lower wing passage 13 is downside, and described first imports and exports the 15, the 3rd imports and exports 17 in left side, and described second imports and exports 16 on right side.First of described First Heat Exchanger 1 is imported and exported 15 and is connected with described compressor 2,
Above to invention has been detailed description; the explanation of embodiment just understands method of the present invention and core concept thereof for helping; its object is to allow the personage being familiar with this art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. a plate type heat exchanger, described plate type heat exchanger uses as evaporative condenser, described plate type heat exchanger is used for cold-producing medium and current to carry out heat exchange, described plate type heat exchanger comprises multiple plates of stacked setting in left-right direction, formed between two adjacent plates and flow through the second runner for cold-producing medium by first flow and water supply, described first flow and the second runner spaced
Described plate type heat exchanger also comprises the upper channel being positioned at plate type heat exchanger top arranged in left-right direction, the lower wing passage being positioned at plate type heat exchanger bottom, described upper channel and lower wing passage are connected with described first flow and isolated with the second described runner
The two ends of described upper channel have to be imported and exported for first of cold-producing medium turnover, second to import and export, and one end of described lower wing passage has the 3rd import and export for cold-producing medium turnover, the other end and external environment condition isolated,
It is characterized in that: described plate type heat exchanger also comprises the demarcation strip be arranged in described plate type heat exchanger, described upper channel by described divides be positioned at left side first passage, be positioned at right side second channel, to make the cold-producing medium in described first passage and second channel directly circulate, the lower end of described demarcation strip offers the opening passed through for described second channel.
2. a kind of plate type heat exchanger according to claim 1, it is characterized in that: described plate type heat exchanger also comprises the water inlet flow to for current, the delivery port flowed out for current, described water inlet is arranged on the top of described plate type heat exchanger, described delivery port is arranged on the bottom of plate type heat exchanger, and described water inlet, described delivery port are connected with the second described runner.
3. a kind of plate type heat exchanger according to claim 2, it is characterized in that: the first described import and export, the 3rd import and export, water inlet, delivery port are positioned at the left side of described plate type heat exchanger, described second imports and exports the right side for described plate type heat exchanger, and described plate type heat exchanger is be positioned at the firstth district on the left of demarcation strip, be positioned at the secondth district on the right side of demarcation strip by described divides.
4. a kind of plate type heat exchanger according to claim 3, is characterized in that: the heat exchange area in the firstth described district is 8 ~ 20 times of second district's heat exchange area.
5. a kind of plate type heat exchanger according to claim 2, is characterized in that: described demarcation strip parallels setting with described plate.
6. a refrigeration system, described refrigeration system comprises the compressor be arranged on refrigeration pipe, First Heat Exchanger, expansion gear, the second heat exchanger, it is characterized in that: described First Heat Exchanger is plate type heat exchanger according to claim 3.
7. a kind of refrigeration system according to claim 6, is characterized in that: first of described First Heat Exchanger is imported and exported and is connected with described compressor,
First import and export and second of described First Heat Exchanger are imported and exported and are communicated with by one first check valve, and described in the first described check valve points to first imports and exports;
Second of described First Heat Exchanger is imported and exported and is communicated with by one second check valve with described expansion gear, the expansion gear described in the second described check valve points to;
The 3rd of described First Heat Exchanger is imported and exported and is communicated with by one the 3rd check valve with described expansion gear, and the described in the 3rd described check valve points to the 3rd imports and exports,
When described First Heat Exchanger uses as condenser, cold-producing medium enters first passage from first of described First Heat Exchanger, flow through the first flow in the firstth district, by lower wing passage after condensation, cold-producing medium flows through the first flow in the secondth district by lower wing passage, outflow is imported and exported from described second through second channel, expansion gear described in flowing to through the second check valve, current flow out from delivery port after water inlet enters the second runner, in the secondth district of described plate type heat exchanger, cold-producing medium and current countercurrent flow;
When described First Heat Exchanger uses as evaporimeter, cold-producing medium enters lower wing passage from the 3rd of First Heat Exchanger, and up evaporation flows through the first flow in the firstth district and the secondth district, imports and exports and the second import and export outflow from first of First Heat Exchanger.
8. a kind of refrigeration system according to claim 7, it is characterized in that: described refrigeration system also comprises a four-way change-over valve, described four-way change-over valve comprises D port, C port, S port, E port, described compressor comprises gas outlet, air entry, described D port is connected with the gas outlet of described compressor, described S port is connected with the air entry of described compressor
Described four-way change-over valve has two states in adjustment process, is respectively: D port and the conducting of C port and S port and the conducting of E port, D port and the conducting of E port and S port and the conducting of C port,
D port and the conducting of C port and S port and the conducting of E port time, described cold-producing medium flows out from the gas outlet of compressor and flows through successively: the D port of four-way change-over valve, C port, First Heat Exchanger, expansion gear, the second heat exchanger, four-way change-over valve E port, S port, air entry finally by compressor gets back to compressor
D port and the conducting of E port and S port and the conducting of C port time, described cold-producing medium flows out from the gas outlet of compressor and flows through successively: the D port of four-way change-over valve, E port, the second heat exchanger, expansion gear, First Heat Exchanger, the C port of four-way change-over valve, S port, the air entry finally by compressor gets back to compressor.
9. a kind of refrigeration system according to claim 8, is characterized in that: the second described heat exchanger is also the plate type heat exchanger described in any one of claim 1-4, and first of the second described heat exchanger is imported and exported and is connected with described compressor,
First import and export and second of the second described heat exchanger are imported and exported and are communicated with by one the 4th check valve, and described in the 4th described check valve points to first imports and exports;
Second of the second described heat exchanger is imported and exported and is communicated with by one the 5th check valve with described expansion gear, the expansion gear described in the 5th described check valve points to;
The 3rd of the second described heat exchanger is imported and exported and is communicated with by one the 6th check valve with described expansion gear, and the described in the 6th described check valve points to the 3rd imports and exports,
When the second described heat exchanger uses as condenser, cold-producing medium enters first passage from first of the second heat exchanger, flow through the first flow in the firstth district, by lower wing passage after condensation, cold-producing medium flows through the first flow in the secondth district by lower wing passage, outflow is imported and exported from described second through second channel, expansion gear described in flowing to through the 5th check valve, current flow out from delivery port after water inlet enters the second runner, in the secondth district of described plate type heat exchanger, cold-producing medium and current countercurrent flow;
When the second described heat exchanger uses as evaporimeter, cold-producing medium enters lower wing passage from the 3rd of the second heat exchanger, and up evaporation flows through the first flow in the firstth district and the secondth district, imports and exports and the second import and export outflow from first of the second heat exchanger.
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| CN102878724A (en) * | 2012-10-19 | 2013-01-16 | 哈尔滨工业大学 | Water and refrigerant heat exchanger with evaporative heat exchange and condensing heat exchange functions |
| CN103851838A (en) * | 2012-11-30 | 2014-06-11 | 苏州必信空调有限公司 | Plate type integrated refrigerant heat recovery circulation system |
| CN203478672U (en) * | 2013-07-10 | 2014-03-12 | 邝嘉豪 | Variable frequency air-cooled heating and cooling system |
| CN104748592A (en) * | 2013-11-12 | 2015-07-01 | 特灵国际有限公司 | Brazed heat exchanger with fluid flow and performing heat exchange by series connection with different refrigerant loops |
| CN204084945U (en) * | 2014-08-22 | 2015-01-07 | 湖南创化低碳环保科技有限公司 | Air-conditioning hot water integrated machine |
| CN204963305U (en) * | 2015-09-28 | 2016-01-13 | 江苏宝奥兰空调设备有限公司 | Plate heat exchanger and refrigerating system |
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Effective date of registration: 20211014 Address after: 214521 No. 55, Xinjian North Road, Chengbei Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Yakai thermal technology (Jiangsu) Co.,Ltd. Address before: 214500 No. 55, Xinjian North Road, Chengbei Industrial Park, Jingjiang City, Taizhou City, Jiangsu Province Patentee before: JIANGSU BAOAOLAN AIR CONDITIONING EQUIPMENT Co.,Ltd. |
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